Abstract: The present invention provides an improved positron radioactive drug radiation shielding device, which achieves savings in space required to store a canister after dismantling the device. Furthermore, a tungsten sleeve is disposed within the canister, and functions in coordination with a syringe. The tungsten sleeve is able to block radioactive radiation released by radioactive drugs contained in the syringe. Moreover, a front cover and a rear cover joined to two sides of the canister enable a hermetically-sealed space to be formed within the canister, which increases the effectiveness of blocking the amount of radiation from the canister, thereby reducing danger to the human body from the radiation.

Abstract: Facility for installing or for system testing of floor or ceiling-mountable x-ray systems with radiation protection cabins with radiation-proof, especially lead-lined, walls and doors, with each radiation protection cabin (1) having a sliding door (7, 7?) occupying at least a majority of the cabin wall, made up of several lead-shielded door elements (7a, 7b, 7c) which can slide telescopically over one another and are preferably hung from a ceiling mount at a slight distance from the floor to allow them to slide freely and separate the internal operating space (5) of the cabin (1) from the operating console (4) for the x-ray system arranged in front of it, with the door elements (7a, 7b, 7c) being equipped with lead-shielded side edges (9) overlapping in their closed position such that radiation cannot escape from the interior of the cabin through the gap between two adjacent door elements (7a, 7b, 7c), and with a door closing monitoring system being provided to which the operating system of the x-ray system i

Abstract: A pharmaceutical pig is used to transport a syringe containing a liquid radiopharmaceutical from a radiopharmacy to a medical facility for administration to a patient. The pharmaceutical pig includes an elongate polymer cap that is removably attached to an elongate polymer base. The elongate polymer cap includes a cap shell that completely encloses a cap shielding element and the elongate polymer base includes a base shell that completely encloses a base shielding element. Preferably the polymer utilized for the cap shell and the base shell is polycarbonate resin, e.g., LEXAN®. An inner liner is not utilized and the cap shielding element and the base shielding element, which are preferably, but not necessarily, made of lead, are completely sealed and unexposed.

Abstract: A detachable inner shield suitable for an isolation bushing of an ion implanter is provided. The inner shield is mounted on an inside of the isolation bushing and completely fitting the inside of the isolation bushing.

Abstract: A thin, light-weight, flexible sheet product useful for the manufacture of radiation attenuation garments. The sheet product is a polymeric material and includes a heavy loading of high molecular weight metal particles. The sheet product is formed from a polymer latex dispersion into which a high molecular weight metal particles are dispersed, where the latex retains a sufficiently low viscosity to be pourable and allow casting of the sheet product.

Abstract: Electromagnetic radiation transformation for powered devices is described. In embodiment(s), a wireless phone (e.g., a cellular phone) includes one or more sources that emit electromagnetic radiation, such as an internal power supply or antenna system of the wireless phone. The wireless phone can also include a paramagnetic material in a quantity sufficient to counteract the electromagnetic radiation emitted by the source. To counteract harmful effects of the electromagnetic radiation, the paramagnetic material can transform the electromagnetic radiation, such as to effectuate a frequency transformation and/or to alter an intensity of the electromagnetic radiation.

Abstract: A plating processing method comprises performing a continuous electrolytic plating of the surface of a film having a surface resistivity in the range of 1 ?f/Sq to 1000 ?/Sq, wherein a distance between the lowest contacting part of a negative electrode with the film and a plating liquid is in the range of 0.5 cm to 15 cm.

Abstract: A collimator panel comprises: a solid panel having a first face for receiving uncollimated radiation and a second opposite face for providing collimated radiation; and a plurality of elongate particles disposed in the panel and orientated to provide the collimating function. A method of manufacturing a collimator panel comprises the steps of: suspending a plurality of elongate particles in a liquid; applying an electric or magnetic field to the suspension to orientate the particles; and solidifying the liquid to fix the orientation of the particles, thereby forming a collimator panel. A method of manufacturing the elongate particles is also provided.

Abstract: A radiation attenuation system suitable for use in radiological examinations includes a first portion comprising a radiation attenuation material and a second portion comprising a relatively non-radiation attenuation buffer region between the radiation attenuation material and an article undergoing the examination. The radiation attenuation system may be positioned over, under, near, or otherwise about the article. According to one embodiment, the radiation attenuation system is intended to be positioned over a target area on the article and coincident with the primary radiation beam.

Abstract: A module for receiving one or more electromagnetic waves moving along a path in a direction of propagation. The module includes a first electrically conductive strip disposed in a first pattern and a second substantially electrically conductive strip disposed in a second pattern. The first and second strips are positioned substantially parallel to each other and spaced apart, and are electrically connected to each other. The first and second patterns are substantially opposite to each other, so that current passing through the first and second strips generates respective electromagnetic fields which are substantially opposed to each other. The first strip is positionable in the path of the electromagnetic wave and substantially transverse to the direction of propagation, to provide a protected region from which said at least one electromagnetic wave is substantially excluded.

Abstract: Back-scattered x-rays incident on a person working with a patient on an operating table are reduced by upper and lower x-ray shield panels mounted so they can be turned relative to each other about a common vertical axis. The panels are thick enough and have proximate horizontal edges close enough to each other to substantially attenuate the back-scattered x-rays incident on front faces of the panels and a gap between the edges while the panels are aligned. The panels pivot about the vertical axis to form an opening enabling the person's hand(s) and forearm(s) to extend through. A hinge connects the upper and lower panels to a third panel. In a second embodiment, the upper and lower panels are moved up and down together, while the lower panel remains aligned with a fixed fourth panel for protecting the person's legs.

Abstract: A portable consumer device is disclosed. An electromagnetic shield is provided in the portable consumer device that is capable of preventing communication between the portable consumer device and an interrogation device. The shield is movable between a distal position in which communication with the interrogation device is enabled and a proximate position in which the shield prevents the transmitting antenna from communicating with the interrogation device.

Abstract: The present invention provides a light-transmitting electromagnetic wave-shielding material for use in displays or in-vehicle panels each having a polarizing plate or a retardation plate, wherein the light-transmitting electromagnetic wave-shielding material undergoes no generation of light interference fringes and is satisfactory in visibility even through sunglasses, goggles, glare-proof panels or glare-proof window materials having polarizing capability. By using unstretched light-transmitting organic polymer materials low in molecular orientation or small in molecular orientation unevenness as the base substrate of an electromagnetic wave-shielding layer, the light-transmitting electromagnetic wave-shielding material excellent in light interference fringe prevention capability can be obtained.

Abstract: A collimator that formed from a plurality of metal layers that are shaped by use of lithographic techniques in specific shapes. The formed metal layers are stacked and aligned together and then connected together to form the collimator.

Abstract: In one example embodiment, an electromagnetic radiation (EMR) shield includes a central portion, a plurality of arms extending radially outward from the central portion, and a substantially centrally located opening defined in the central portion. The perimeter of the central portion is approximately the same size and shape as that of a portion of an associated optical subassembly (OSA).

Abstract: Gamma radiation (22) is shielded by producing a region of heavy electrons (4) and receiving incident gamma radiation in such region. The heavy electrons absorb energy from the gamma radiation and re-radiate it as photons (38, 40) at a lower energy and frequency. The heavy electrons may be produced in surface plasmon polaritons. Multiple regions (6) of collectively oscillating protons or deuterons with associated heavy electrons may be provided. Nanoparticles of a target material on a metallic surface capable of supporting surface plasmons may be provided. The region of heavy electrons is associated with that metallic surface. The method induces a breakdown in a Born-Oppenheimer approximation Apparatus and method are described.

Abstract: In one example embodiment, an electromagnetic radiation (EMR) shield includes a disk, and a substantially centrally located opening defined in the disk. An outside perimeter of the disk is approximately the same as that of a flange of an associated optical subassembly (OSA). The disk defines a plurality of apertures.

Abstract: The present invention relates to a lead-free radiation protection material in the energy range of an X-ray tube having a voltage of from 60 to 125 kV. The lead-free radiation protection material has a layer structure having at least two layers with different shielding properties.

Abstract: A system, method and apparatus for providing additional radiation shielding to a container holding radioactive materials. The invention utilizes a sleeve-like structure that is slid over a container holding high level radioactive materials to add radiation shielding protection. Because the sleeve-like structure and container are non-unitary and slidably separable from one another, crane lifting capacity is not affected.

Abstract: The present invention provides a portable device comprising: a control unit; a display coupled to the control unit; a dual wireless module coupled to the control unit for wireless data transferring, wherein the dual wireless module includes a first and a second wireless data transferring modules to allow a user to select desired one to communicate with an external device. The dual wireless module further includes a management unit to manage the first and second wireless data transferring modules according to a policy engine.

Abstract: An ion beam blocking component suitable for blocking an ion beam generated by an ion source of an ion implanter is provided. The blocking component includes a front plate, a back plate, and a plurality of side plates. The front plate has at least one opening. The back plate is behind the front plate, and has a plurality of grooves formed on one surface thereof facing the front plate. The side plates are connected between the front plate and the back plate, and a receiving space is formed between these plates.

Abstract: A device containment apparatus includes a vessel for storing a radioactive explosive device. The vessel includes an outer wall defining an interior area. A shield formed of radiation shielding material is positioned adjacent the vessel for minimizing dispersal of radioactive material from the interior area of the vessel.

Abstract: The invention relates to a lead substitute material for radiation protection purposes, wherein the lead substitute material comprises from 12 to 22 wt. % silicone-based matrix material, from 1 to 75 wt. % Sn or Sn compounds, from 0 to 73 wt. % W or W compounds, from 0 to 80 wt. % Bi or Bi compounds, for nominal overall lead equivalents of from 0.25 to 2.00 mm. The invention relates further to a lead substitute material that additionally comprises one or more of the elements Er, Ho, Dy, Tb, Gd, Eu, Sm, Ta, Hf, Lu, Yb, Tm, Th, U and/or their compounds and/or CsI.

Abstract: In a preferred embodiment, an entrance window for a gas filled radiation detector, including: a plastic core with electro conductive coatings on both an inner side and an outer side of the plastic core.

Abstract: An apparatus for control of a procedure, comprising: a communications interface; a control console, wherein the control console is adapted to provide control commands via the communications interface to at least one of: at least one imaging device or at least one medical instrument used to perform the procedure; and, at least one radiation shield attached to the control console and positioned between the control console and a patient on which the procedure is being performed, wherein the apparatus is separately movable from at least one of the at least one imaging device, the patient or the at least one medical instrument.

Abstract: One or more aspects of the invention is directed to a radiation-shielding container for housing a radiopharmaceutical. A labeling system is attached to an exterior surface of the container. The labeling system is adapted to selectively convert from a first state to a second state. In the first state, the labeling system indicates a first condition of the radiopharmaceutical. For example, in the first state, the labeling system can show that the radiopharmaceutical is ready for administering. In the second state, the labeling system indicates a second condition of the radiopharmaceutical. For example, in the second state, the labeling system can show that the radiopharmaceutical has been administered, and/or that a syringe that was used to administer the radiopharmaceutical is now a biohazard.

Abstract: A radiation shield includes a radio-opaque drape which has an open area extending completely through the drape to provide a viewing site. Radiation control structure in the form of a vent system is located in the open area. The vent system includes a plurality of radio-opaque slats extending at least partially across at least a portion of the open area. The slats preferably extend outwardly away from the surface of the drape to facilitate the capturing of scattered radiation.

Abstract: A method and devices to control global warming of the earth's environs are described. The method places devices in the form of particles, between the sun and the earth to block a portion of the solar radiation impinging on the earth. The devices comprise dispersed high effective surface area to weight ratio particles of various compositions and geometric shapes. In one embodiment, the devices are placed in earth orbit; in second embodiment, the particles are placed in a syncronis solar orbit. Blockage of a portion of the solar radiation directed toward the earth occurs via Rayleigh and Mie scattering, direct reflection and absorption.

Abstract: A shielding assembly for use in a semiconductor manufacturing apparatus, such as an ion implantation apparatus, includes one or more removable shielding members configured to cover inner surfaces of a mass analyzing chamber. The shielding assembly reduces process by-products from accumulating on the inner surfaces. In one embodiment, a shielding assembly includes first and second shielding members, each having a unitary construction and configured to cover a magnetic area in the mass analyzing chamber. The shielding members desirably are made entirely of graphite or impregnated graphite to minimize contamination of the semiconductor device being processed caused by metal particles eroded from the inner surfaces of the mass analyzing chamber.

Abstract: A large number of bubbles or other thin-walled hollow objects are deployed in outer space to form a sun screen. Portions of the solar radiation incident on the sun screen are reflected or absorbed. Since those portions will not reach the earth, deploying the sun screen over very large areas can have a significant impact towards reducing global warming.

Abstract: A radio-pharmaceutical transport system includes a pig and a disposable plastic insert. Together, the pig and the disposable plastic insert provide a mechanism for transporting a syringe containing a dose of a radio-pharmaceutical composition. The pig includes a tungsten cylinder that defines an elongated cavity therein that is substantially coaxial with the tungsten cylinder. The cavity is of sufficient size to receive therein a syringe. The tungsten cylinder has a thickness sufficient to shield users from a PET radio-pharmaceutical without requiring additional shielding. The disposable plastic insert is disposed within the cavity and includes an elongated plastic envelope.

Abstract: Shielding of a particular material and geometry is interposed between a radio frequency identification (“RFID”) antenna transceiver and a zone to be monitored by the antenna. The shielding has an aperture therein that to some extent defines a degree of focusing of the radio frequency (“RF”) field associated with the antenna. RFID tags having appropriate RFID circuitry are only detected by the antenna when they pass within the focused RF field. The shielding is formed of a thin metalized plastic material, such as film used in forming anti-static material for storage of sensitive electronics. One particular formulation is primarily polyethylene film with an aluminum coating or layer thereon.

Abstract: A rear door system for transferring hot cell equipment into or out of a hot cell is disclosed. The rear door system of the present invention includes a rear door, which is provided to a rear wall of the hot cell so as to be movable to open or close the rear wall of the hot cell, and a vertical moving table, which is provided at a predetermined position on the lower portion of the front surface of the rear door so as to be movable upwards or downwards. The rear door system further includes a drive unit, which is provided at a predetermined position in the lower end of the rear door to move the rear door, and a stationary working table, which is disposed above the vertical moving table and is fixed in the hot cell in a horizontal orientation. The rear door system further includes a removable table, which is removably coupled at a predetermined position to the stationary working table, and a hot cell crane hook and a service area crane hook, which are respectively provided inside and outside the hot cell.

Abstract: An objective is to provide an electromagnetic wave shielding material exhibiting an excellent electromagnetic wave shielding property, and also to provide a manufacturing method with quick and simple processing, in which a thin-line-state picture image can easily be formed. An electromagnetic wave shielding material exhibiting an excellent near-infrared shielding property can further be provided if desired. Disclosed is an electromagnetic wave shielding material possessing a support and provided thereon, a conductive metal layer, wherein the conductive metal layer satisfies at least one of the following conditions; (1) a void ratio of the conductive metal layer is 0.1-15%, (2) Glossiness of the conductive metal layer is 50-300%, and (3) Center line average surface roughness (Ra) of the conductive metal layer is 1-50 nm.

Abstract: A workroom partition divides a workroom interior of a workroom and a workroom surroundings. The workroom is provided with a laser processing device. The workroom partition includes on its inner side facing the laser processing device, a laser beam reflector formed from pre-fabricated reflective sheet of material having a grained reflective surface structure that faces the laser processing device, by means of which the majority of laser radiation incident on the laser beam reflector and originating from the laser processing device is diffusely reflectable.

Abstract: A shielding can (100) includes a shielding case (10) configured to reducing electromagnetic interference, and a cushion (20) integrally mounted to the shielding case by insert molding. The cushion is configured to absorb shock force. A method for making the shielding can includes the following steps: providing a mold; placing a shielding case in the mold; injecting shock absorbing material into the mold to form a cushion on the shielding case; cooling the molded shielding can; and removing the shielding can from the mold.

Abstract: Disclosed herein is a method and apparatus for providing radiation shielding for non-invasive inspection systems. An embodiment of the apparatus may include a radiation shield having a plurality of slats, where each of the plurality of slats comprises a radiation attenuating material. The radiation shield may further include a support structure configured to hold the slats in a non-planar shape. An embodiment of the method may include gathering a plurality of slats, each slat comprising a radiation attenuating material. The method may further include disposing the slats to form a shielding curtain having a non-planar shape. The method may also include positioning the shielding curtain to cover an opening of a scanner.

Abstract: Disclosed is an external light shielding film. The external light shielding film comprises a transparent substrate; and an external light shielding pattern formed on a surface of the transparent substrate and including a plurality of external light shielding parts. Each of the plurality of external light shielding parts has a polymer resin and at least one color-changeable colorant. The color of the plurality of external light shielding parts may vary according to an external heat source or vary depending on an intensity of an external light source, thereby improving a contrast ratio in a bright room, and a specific color may be visible even when the power of the display apparatus is OFF, thereby achieving an interior decorative effect.

Abstract: The invention relates to a process for manufacturing flat glass rich in lead oxide, comprising the continuous floating, in a float plant with a neutral gaseous atmosphere, of a glass comprising at least 30% lead oxide by weight on a bath of molten metal having a higher density than that of the glass. The invention allows flat glass rich in lead, useful for protection against X-rays, to be produced.

Abstract: A method of using a radiation protection system including a table having a top surface for supporting a patient, a radiation-shielding screen attached to the table for covering a portion of the patient and a portion of the top surface of the table, and controls for controlling the system. The radiation-shielding screen includes at least one port. The method includes extending the radiation-shielding screen over a portion of the patient the table and accessing the controls through the port. The method further includes controlling the system using the controls.

Abstract: Systems, devices, and methods for filling containers with radioactive materials are described. In certain embodiments, the systems comprise a shielding material that substantially defines a chamber and, preferably, substantially blocks radioactivity, a conduit extending through the shielding material into the chamber, and a securing unit that is disposed in the chamber proximal to the conduit and is adapted to receive a container through the conduit.

Abstract: Disclosed are an external light shielding film with a substrate including a transparent resin, an external light shielding pattern formed on a surface of the substrate and having a plurality of external light shielding parts including a light absorbing material, a method of manufacturing the external light shielding film, and a filter for a display having the external light shielding film. The light absorbing material consists of a base resin and a light absorbing substance, and at least one of a concentration of the light absorbing substance and a refractive index of the base resin varies in a stepwise manner.

Abstract: A particle beam therapeutic apparatus can ensure the uniformity of dose distribution by overlapping the desired loci of the irradiation of a particle beam a reduced number of times. A flow of a particle beam transported so as to be irradiated to a diseased part is caused to deflect in two mutually orthogonal directions perpendicular to the direction of travel of the particle beam. The irradiation position of the particle beam is scanned, upon each period, in a manner to return to a position of irradiation located at the start of the period, whereby a plurality of loci drawn within one period are overlapped with one another thereby to irradiate a desired planned dose to the diseased part. The particle beam can be interrupted only at the end of the period.

Abstract: A shielding assembly for use in a semiconductor manufacturing apparatus, such as an ion implantation apparatus, includes one or more removable shielding members configured to cover inner surfaces of a mass analyzing chamber. The shielding assembly reduces process by-products from accumulating on the inner surfaces. In one embodiment, a shielding assembly includes first and second shielding members, each having a unitary construction and configured to cover a magnetic area in the mass analyzing chamber. The shielding members desirably are made entirely of graphite or impregnated graphite to minimize contamination of the semiconductor device being processed caused by metal particles eroded from the inner surfaces of the mass analyzing chamber.

Abstract: A spectrophotometric sensor is provided that includes a mating surface upon which electrical and optical components may be secured and a Faraday shield assembly secured to the mating surface enclosing a photodetector. The Faraday shield assembly includes alignment features that may be employed to provide mechanical registration and/or electrical coupling of the Faraday shield assembly. The spectrophotometric sensor may be placed on a patient's finger, toe, ear, and so forth to obtain hemoglobin oxygen saturation using pulse oximetry, or for other physiological measurements.

Abstract: An instrument and method for measuring the elemental composition of a test material. The instrument has a source of penetrating radiation for irradiating an irradiated region of the test material, a detector for detecting fluorescence emission by the test material and for generating a detector signal, and a controller for converting the detector signal into a spectrum characterizing the composition of the test material. A platen of attenuating material extends outward from adjacent to, and surrounding, the irradiated surface of the test material. In certain embodiments, the thickness of the attenuating platen is tapered with increasing radial distance from the central irradiated region of the test material.

Abstract: A radiation shield and method for reducing ambient radiation levels at a distance from a surface irradiated by penetrating radiation emanating from an instrument substantially along a propagation axis. The shield attaches to an end of the instrument proximate to an irradiated surface and has a surface of attenuating material disposed with a component extending outward from the propagation axis of penetrating radiation and substantially adjacent to the irradiated surface.

Abstract: A shield assembly for an x-ray device is disclosed herein. The shield assembly includes a radiation shielding layer comprised of a first material; and a thermally conductive layer attached the radiation shielding layer. The thermally conductive layer is comprised of a second material. The shield assembly also includes an electron absorption layer attached to the radiation shielding layer. The electron absorption layer is comprised of a third material. The electron absorption layer is configured to absorb backscattered electrons.

Abstract: A shield assembly for an x-ray device is disclosed herein. The shield assembly includes a radiation shielding layer comprised of a first material. The radiation shielding layer defines a collection surface. The shield assembly also includes a thermally conductive layer attached the radiation shielding layer. The thermally conductive layer is comprised of a second material. The shield assembly also includes a passage defined by the radiation shielding layer and/or the thermally conductive layer. The passage generally conforms to the size and shape of an electron beam when it passes through the passage.

Abstract: A uniformity correction module for improving the uniformity of a radiation distribution in a rectangular illumination slit having two longer sides and two shorter sides, including a plurality of movable blades arranged along each long side of the illumination slit and a chamber containing a fluid wherein said movable blades are at least partly immersed in said fluid, and wherein the difference between the refractive index of each blade and the refractive index of said fluid is sufficiently small to prevent significant reflection and refraction at the surface of each blade.